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【单选题】
用V型垫铁定位较大工件时,其角度选用()为好。A.
45°
B.
60°
C.
75°
D.
90°
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举一反三
【单选题】It must be his mistake,___? A.mustn't it B.hasn't it C.needn't it D.isn't it
A.
mustn't it
B.
hasn't it
C.
needn't it
D.
isn't it
【单选题】— It is very cold these days. — ______.
A.
So is it
B.
So it is
C.
It so is
D.
Is it so
【单选题】— It was very cold yesterday. — ______. [ ]
A.
So was it
B.
So it was
C.
It so was
D.
Was it so
【单选题】It is going to be fine tomorrow. ____. A. So is it B. So it is C. So it does D. So does it
A.
So is it
B.
So it is
C.
So it does
D.
So does it
【单选题】It rained last night, _________? [ ]
A.
wasn't it
B.
didn't it
C.
doesn't it
D.
won't it
相关题目：
【单选题】— It was very cold yesterday. — ______. [ ]
A.
So was it
B.
So it was
C.
It so was
D.
Was it so